Multiple accounts client for multiple Social networks. For Android

ICSx⁵ is an Android app to subscribe to remote or local iCalendar files (like time tables of your school/university or event files of your sports team).

German public broadcasting live streams as an Android app

a custom Google Now Feed alternative for launchers

AndroidTV/Fire TV client for media.ccc.de

Small command-line utility to safely merge multiple WhatsApp backups (msgstore.db) into one.

An open-source reimplementation of the Discord Android app

POC of running risq as a service embedded in an apk